Human lifetime
80 years - Time; reference interval.
A human lifetime is the span from a person's birth to their death.
An 80-year comparison interval, not a prediction of life expectancy.
Defined examples — our methodologyHuman lifetime vs Age of Earth: duration comparison
The age of Earth is about 56,700,000 times a human lifetime. Selected basis: approximate values.
- Human lifetime
- Time
- Age of Earth
- Time
ELAPSED TIME
Human lifetime
80 yearsTime
0
Too small to see at this scale; the bar has not been widened.
Age of Earth
4.54 GyrTime
0
Both timelines start together. Length measures elapsed time, not a physical distance.
In perspective56,700,000 times
Measurements, assumptions & sources
Age of Earth
4.54 Gyr - Time; reference interval.
The age of Earth is the time that has passed since the planet formed from the solar nebula.
A rounded 4.54 billion-year geological age.
Defined examples — our methodology
Compare something else
There’s always another scale
Follow your curiosity.
TimeHuman lifetime80 yearsA human lifetime is the span from a person's birth to their death.
TimeAge of Earth4.54 GyrThe age of Earth is the time that has passed since the planet formed from the solar nebula.TimeBlink of an eye150 msA blink of an eye is the quick closing and opening of the eyelid, usually happening involuntarily.TimeAge of the universe13.8 GyrThe age of the universe is the time since the Big Bang, marking the beginning of cosmic expansion.Side by side
Another point of view.
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleGot a good eye for scale?